superio.h File Reference

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Macros
#define	LPC_IO_BASE   0x2E
#define	LPC_ENTER_CONFIG_KEY   0x55
#define	LPC_EXIT_CONFIG_KEY   0xAA
#define	LPC_DEVICE_FDD   0x0
#define	LPC_DEVICE_PARALLEL_PORT   0x3
#define	LPC_DEVICE_SERIAL_PORT_1   0x4
#define	LPC_DEVICE_SERIAL_PORT_2   0x5
#define	LPC_DEVICE_KEYBOARD   0x7
#define	LPC_DEVICE_GAME_PORT   0x9
#define	LPC_DEVICE_PME   0xA
#define	LPC_DEVICE_MPU_401   0xB
#define	LPC_CONFIG_DEVICE_NUMBER   0x07
#define	LPC_CONFIG_DEVICE_ACTIVATE   0x30
#define	LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH   0x60
#define	LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW   0x61
#define	LPC_CONFIG_DEVICE_INTERRUPT_PRIMARY   0x70
#define	LPC_CONFIG_DEVICE_INTERRUPT_SECONDARY   0x72
#define	LPC_CONFIG_DEVICE_DMA_CHANNEL   0x74

Functions
FORCEINLINE VOID	LpcEnterConfig (VOID)
FORCEINLINE VOID	LpcExitConfig (VOID)
FORCEINLINE UCHAR	LpcReadRegister (UCHAR Register)
FORCEINLINE VOID	LpcWriteRegister (UCHAR Register, UCHAR Value)
FORCEINLINE ULONG	LpcDetectSuperIO (VOID)
FORCEINLINE ULONG	LpcGetIoBase (VOID)
FORCEINLINE ULONG	LpcGetIoBaseMPU (VOID)
FORCEINLINE ULONG	LpcGetIrqPrimary (VOID)
FORCEINLINE ULONG	LpcGetIrqSecondary (VOID)
FORCEINLINE ULONG	LpcGetDmaChannel (VOID)

Macro Definition Documentation

LPC_CONFIG_DEVICE_ACTIVATE

#define LPC_CONFIG_DEVICE_ACTIVATE   0x30

Definition at line 31 of file superio.h.

LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH

#define LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH   0x60

Definition at line 32 of file superio.h.

LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW

#define LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW   0x61

Definition at line 33 of file superio.h.

LPC_CONFIG_DEVICE_DMA_CHANNEL

#define LPC_CONFIG_DEVICE_DMA_CHANNEL   0x74

Definition at line 36 of file superio.h.

LPC_CONFIG_DEVICE_INTERRUPT_PRIMARY

#define LPC_CONFIG_DEVICE_INTERRUPT_PRIMARY   0x70

Definition at line 34 of file superio.h.

LPC_CONFIG_DEVICE_INTERRUPT_SECONDARY

#define LPC_CONFIG_DEVICE_INTERRUPT_SECONDARY   0x72

Definition at line 35 of file superio.h.

LPC_CONFIG_DEVICE_NUMBER

#define LPC_CONFIG_DEVICE_NUMBER   0x07

Definition at line 30 of file superio.h.

LPC_DEVICE_FDD

#define LPC_DEVICE_FDD   0x0

Definition at line 21 of file superio.h.

LPC_DEVICE_GAME_PORT

#define LPC_DEVICE_GAME_PORT   0x9

Definition at line 26 of file superio.h.

LPC_DEVICE_KEYBOARD

#define LPC_DEVICE_KEYBOARD   0x7

Definition at line 25 of file superio.h.

LPC_DEVICE_MPU_401

#define LPC_DEVICE_MPU_401   0xB

Definition at line 28 of file superio.h.

LPC_DEVICE_PARALLEL_PORT

#define LPC_DEVICE_PARALLEL_PORT   0x3

Definition at line 22 of file superio.h.

LPC_DEVICE_PME

#define LPC_DEVICE_PME   0xA

Definition at line 27 of file superio.h.

LPC_DEVICE_SERIAL_PORT_1

#define LPC_DEVICE_SERIAL_PORT_1   0x4

Definition at line 23 of file superio.h.

LPC_DEVICE_SERIAL_PORT_2

#define LPC_DEVICE_SERIAL_PORT_2   0x5

Definition at line 24 of file superio.h.

LPC_ENTER_CONFIG_KEY

#define LPC_ENTER_CONFIG_KEY   0x55

Definition at line 18 of file superio.h.

LPC_EXIT_CONFIG_KEY

#define LPC_EXIT_CONFIG_KEY   0xAA

Definition at line 19 of file superio.h.

LPC_IO_BASE

#define LPC_IO_BASE   0x2E

Definition at line 16 of file superio.h.

Function Documentation

LpcDetectSuperIO()

FORCEINLINE ULONG LpcDetectSuperIO

(

VOID

)

Definition at line 76 of file superio.h.

{
    LpcEnterConfig();
 
    LpcWriteRegister(LPC_CONFIG_DEVICE_NUMBER, LPC_DEVICE_SERIAL_PORT_1);
 
    if (READ_PORT_UCHAR((PUCHAR)(LPC_IO_BASE + 1)) != LPC_DEVICE_SERIAL_PORT_1)
        return 0;
 
    if (LpcReadRegister(LPC_CONFIG_DEVICE_ACTIVATE) > 1)
        return 0;
 
    LpcExitConfig();
 
    return LPC_IO_BASE;
}

LpcEnterConfig()

FORCEINLINE VOID LpcEnterConfig

(

VOID

)

Definition at line 43 of file superio.h.

{
    /* Enter Configuration */
    WRITE_PORT_UCHAR((PUCHAR)LPC_IO_BASE, LPC_ENTER_CONFIG_KEY);
}

Referenced by LpcDetectSuperIO(), and XboxGetSerialPort().

LpcExitConfig()

FORCEINLINE VOID LpcExitConfig

(

VOID

)

Definition at line 51 of file superio.h.

{
    /* Exit Configuration */
    WRITE_PORT_UCHAR((PUCHAR)LPC_IO_BASE, LPC_EXIT_CONFIG_KEY);
}

Referenced by LpcDetectSuperIO(), and XboxGetSerialPort().

LpcGetDmaChannel()

FORCEINLINE ULONG LpcGetDmaChannel

(

VOID

)

Definition at line 141 of file superio.h.

{
    return LpcReadRegister(LPC_CONFIG_DEVICE_DMA_CHANNEL);
}

LpcGetIoBase()

FORCEINLINE ULONG LpcGetIoBase

(

VOID

)

Definition at line 96 of file superio.h.

{
    ULONG Base = 0;
 
    // Read LSB
    Base = LpcReadRegister(LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW);
    // Read MSB
    Base |= (LpcReadRegister(LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH) << 8);
 
    return Base;
}

Referenced by XboxGetSerialPort().

LpcGetIoBaseMPU()

FORCEINLINE ULONG LpcGetIoBaseMPU

(

VOID

)

Definition at line 111 of file superio.h.

{
    ULONG Base = 0;
 
    // Read LSB
    Base = LpcReadRegister(LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH);
    // Read MSB
    Base |= (LpcReadRegister(LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW) << 8);
 
    return Base;
}

LpcGetIrqPrimary()

FORCEINLINE ULONG LpcGetIrqPrimary

(

VOID

)

Definition at line 126 of file superio.h.

{
    return LpcReadRegister(LPC_CONFIG_DEVICE_INTERRUPT_PRIMARY);
}

Referenced by XboxGetSerialPort().

LpcGetIrqSecondary()

FORCEINLINE ULONG LpcGetIrqSecondary

(

VOID

)

Definition at line 134 of file superio.h.

{
    return LpcReadRegister(LPC_CONFIG_DEVICE_INTERRUPT_SECONDARY);
}

LpcReadRegister()

FORCEINLINE UCHAR LpcReadRegister

(

UCHAR

Register

)

Definition at line 59 of file superio.h.

{
    WRITE_PORT_UCHAR((PUCHAR)LPC_IO_BASE, Register);
    return READ_PORT_UCHAR((PUCHAR)(LPC_IO_BASE + 1));
}

Referenced by LpcDetectSuperIO(), LpcGetDmaChannel(), LpcGetIoBase(), LpcGetIoBaseMPU(), LpcGetIrqPrimary(), LpcGetIrqSecondary(), and XboxGetSerialPort().

LpcWriteRegister()

FORCEINLINE VOID LpcWriteRegister	(	UCHAR	Register,
		UCHAR	Value
	)

Definition at line 67 of file superio.h.

{
    WRITE_PORT_UCHAR((PUCHAR)LPC_IO_BASE, Register);
    WRITE_PORT_UCHAR((PUCHAR)(LPC_IO_BASE + 1), Value);
}

Referenced by LpcDetectSuperIO(), and XboxGetSerialPort().